Clicking the Create button in the EXM message creation dialogue does not create the appropriate message. The dialogue just hangs:
In the /sitecore/shell/client/Applications/ECM/EmailCampaign.Client/Dialog/MessageCreationDialogBase.js file replace the following code: ... switch (createType) { case "ExistingTemplate": this.createExistingTemplate(contextApp, eventInfo); break; case "ExistingPage": this.createExistingPage(contextApp, eventInfo); break; case "ImportHtml": this.createImportHtml(contextApp); break; default: ... with this code: ... switch (createType.toLowerCase()) { case "existingtemplate": this.createExistingTemplate(contextApp, eventInfo); break; case "existingpage": this.createExistingPage(contextApp, eventInfo); break; case "importhtml": this.createImportHtml(contextApp); break; default: ... Save your changes and clear your browser cache.